MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2a437bec36856a90558f9f54873096e6d1324cf487cc265038dbe82e5b03788. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2a437bec36856a90558f9f54873096e6d1324cf487cc265038dbe82e5b03788
SHA3-384 hash: 2f6a6ebeb982e58a9c750b1ab77f9ac84deed88f800811d6ce1c971c05b3b2b1ce61358c31fbd75bb8115ca2b86bbfba
SHA1 hash: 30ed4604ca7889a975732a31896603585f142e96
MD5 hash: 0f0422ac7945d71b8587a8aac84d9252
humanhash: snake-august-apart-hamper
File name:0f0422ac7945d71b8587a8aac84d9252.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:797'184 bytes
First seen:2020-09-02 05:53:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 92de21909a80eeabad12639034e58029 (8 x MassLogger, 3 x Formbook, 2 x Loki)
ssdeep 12288:dDi43RqqJKN07vvaRfdjSGM/lBp62o53T7Q+XuE0MdqMYl3nk:d2UTYy7vQaDiTXuTf
Threatray 2'250 similar samples on MalwareBazaar
TLSH B005AE32F2A04837C163167DCD1B53B4A83AFE512A2899462BF5DD4C5F397A13A3D293
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/54169/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/457131
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Contains functionality to detect sleep reduction / modifications
Creates an undocumented autostart registry key
Detected FormBook malware
Detected unpacking (changes PE section rights)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 280950 Sample: 8GkEt38SOS.exe Startdate: 02/09/2020 Architecture: WINDOWS Score: 100 53 www.lescouleurscreatives.com 2->53 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for dropped file 2->63 65 Antivirus / Scanner detection for submitted sample 2->65 67 8 other signatures 2->67 11 8GkEt38SOS.exe 2->11         started        signatures3 process4 signatures5 85 Detected unpacking (changes PE section rights) 11->85 87 Maps a DLL or memory area into another process 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 91 Contains functionality to detect sleep reduction / modifications 11->91 14 8GkEt38SOS.exe 11->14         started        process6 signatures7 93 Modifies the context of a thread in another process (thread injection) 14->93 95 Maps a DLL or memory area into another process 14->95 97 Sample uses process hollowing technique 14->97 99 Queues an APC in another process (thread injection) 14->99 17 explorer.exe 6 14->17 injected process8 dnsIp9 47 www.thebarnhairdressing.com 81.17.18.195, 49732, 80 PLI-ASCH Switzerland 17->47 49 www.ovosi.care 213.186.33.5, 49742, 80 OVHFR France 17->49 51 www.top-dex.com 162.213.250.239, 49731, 80 NAMECHEAP-NETUS United States 17->51 39 C:\Users\user\...\mrt0gxq8e6bxnpxh.exe, PE32 17->39 dropped 41 C:\...\mrt0gxq8e6bxnpxh.exe, PE32 17->41 dropped 69 System process connects to network (likely due to code injection or exploit) 17->69 71 Benign windows process drops PE files 17->71 22 cscript.exe 1 17 17->22         started        26 mrt0gxq8e6bxnpxh.exe 17->26         started        28 WWAHost.exe 17->28         started        30 autofmt.exe 17->30         started        file10 signatures11 process12 file13 43 C:\Users\user\AppData\...\J1Rlogrv.ini, data 22->43 dropped 45 C:\Users\user\AppData\...\J1Rlogri.ini, data 22->45 dropped 73 Detected FormBook malware 22->73 75 Creates an undocumented autostart registry key 22->75 77 Tries to steal Mail credentials (via file access) 22->77 83 2 other signatures 22->83 32 cmd.exe 1 22->32         started        79 Maps a DLL or memory area into another process 26->79 34 mrt0gxq8e6bxnpxh.exe 26->34         started        81 Tries to detect virtualization through RDTSC time measurements 28->81 signatures14 process15 signatures16 37 conhost.exe 32->37         started        55 Modifies the context of a thread in another process (thread injection) 34->55 57 Maps a DLL or memory area into another process 34->57 59 Sample uses process hollowing technique 34->59 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2a437bec36856a90558f9f54873096e6d1324cf487cc265038dbe82e5b03788/
Threat name:
Win32.Trojan.LokiBot
Create hunting rule
Status:
Malicious
First seen:
2020-09-02 05:54:13 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
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Formbook
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Formbook
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Formbook
b3423777b1bafbe661edd1f4d3d98e72fcb48394764ddeb57bb913b881cf9177
Formbook
cddef48cbafa5561f43fd788cfc08215af2c8c4d700bbad363c467e60ad0eda1
Formbook
+ 2'240 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/200902-rra8xmnn6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b2a437bec36856a90558f9f54873096e6d1324cf487cc265038dbe82e5b03788

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe b2a437bec36856a90558f9f54873096e6d1324cf487cc265038dbe82e5b03788

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/373327/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/54169/

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